Revert "Import prelude globally for LiveScript"

This reverts commit a9dfb6cbda2784f5824bf8675994076f60e567b5.
Revert "More idiomatic main", references #148

This reverts commit 60c449deb195e05251dfb714a30357636b165390.
Revert "Idiomatic doctype and configurable title for Jade views", references #148

This reverts commit dabc564d19248d3e8c5cd518464cb42a15e36b97.